ryan7012 ryan7012 30-12-2022 Chemistry Answered Approximate the work for the following reaction at 300k. CH4 (g) + 2O2 (g) → CO2 (g) + 2H2O (l) a. -2.5kJ b. -7.5 kJ c. 5 kJ d. -5 kJ e. 7.5 kJ f. 0 kJ g. 2.5 kJ